6-32 x 3/16 Phillips Binding Undercut Machine Screw Fully Threaded Zinc 1/4-8 It features a hexagonal head

It features a hexagonal head for easy driving

but is more resistant to corrosion

Its hex head design allows for easy tightening and removal using a standard hex key or wrench

This 3/8-16 x 2 1/2 Ribbed Neck Carriage Bolt is made of Grade 5 steel and has a fully threaded design

6-32 x 3/16 Phillips Binding Undercut Machine Screw Fully Threaded Zinc 1/4-8 It features a hexagonal headThese 6 32 x 3 16 Phillips binding undercut machine screws are fully threaded and made of zinc. They are designed for use in a variety of applications, including binding, fastening, and assembly. The Phillips drive head provides a secure and easy to use grip, while the undercut design helps to prevent the screw from loosening over time. These screws are also zinc plated for added corrosion resistance.